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Duplex 2205 Fasteners

Duplex 2205 Fasteners

Which applications are Duplex 2205 fasteners commonly used in?

This austenite-ferrite stainless steel grade contains chromium (22%), nickel (around 6%), molybdenum, and nitrogen. Duplex 2205 fasteners are in demand for heightened strength, longevity, and corrosion resistance. They also boast impact toughness and resist stress-corrosion cracking, which can be a massive challenge for many other materials.

Duplex 2205 hex bolts get preferred for high-stress applications operating in corrosive conditions:

  • Chemical processing
  • Petrochemicals
  • Crude oil distillation towers
  • Power plants
  • Marine industries
  • Heat exchangers

We are 2205 hex bolt supplier in India


Specification of duplex 2205 fasteners


Specifications Size Threads
ASTM A479 & ASME SA479 3/6" to 2" BSF, UNC, UNF METRIC, BSW
Grades Finishing Types
S31803 / S32205 Zinc plated, anodizing, bright zinc, hot dip galvanised Hex bolt, nuts, stud bolt, screws, washers
American standard Surface Length
JIS, DIN, ISO Bright 30-300mm

To get the best longevity of duplex 2205 screws in high and low-temperature, please connect with us

What maintenance is required for duplex 2205 bolts to ensure longevity and performance?

A considerable advantage of using these fasteners is that they need negligible maintenance. A duplex 2205 threaded rod delivers a long service life and optimal performance if you have chosen a high-quality and thoroughly tested product. The standard testing procedures cover NDT (non-destructive) tests like ultrasonic and magnetic examination.

Periodic cleaning and inspection are usually enough for these components. They may need manual grinding or pickling to treat post-weld issues like heat tinting. Lubrication, an air-pressure cleaner, and anti-seize compounds can extend the longevity of WNR 1.4462 screws.

We recommend electrochemical cleaning to tackle damage and quick replacement of irreparable fasteners.

Types of DSS 2205 fastener


Duplex 2205 hex bolts

Duplex 2205 hex bolts

Duplex 2205 bolts

Duplex 2205 bolts

Duplex steel 2205 heavy hex bolt

Duplex steel 2205 heavy hex bolt

1.4462 duplex 2205 eye bol

1.4462 duplex 2205 eye bol

Looking for providers of DSS 2205 bolts? Buy SDSS stud bolts in exact size to save cost and wastage

Which factors affect the cost of Duplex 2205 fasteners? How can they be optimised for cost-effectiveness?

Several factors impact the cost of a DIN 1.4462 heavy hex bolt, from the availability of good-quality raw materials to market dynamics. Supply, demand, and other global trends affect a duplex steel 2205 carriage bolt pricing.

Here are other factors affecting your procurement costs:

  • Additional processing like surface treatment or protective coating
  • Sizing (non-standard SAF 2205 nuts will cost you more and usually take longer to deliver unless the vendor has a diverse portfolio)
  • Quantity (manufacturers can cater to large-scale requirements of duplex 2205 stud bolts, but customised, smaller orders can be more challenging to service)

Buyers can optimise their procurement costs by cultivating fruitful relationships with capable suppliers of an alloy 2205 U-bolt. Vendors with global logistics partners will offer cheaper rates.

Chemical composition of DSS 2205 hex bolt


Mo C Mn Cr Ni Si P S N Fe
3.00-3.50
.030 Max
2.00 Max
22.0-23.0
4.50-6.50
1.00 Max
.030 Max
.020 Max
0.14-0.20
Balance
We supply UNS S32205 threaded rod suitable for highly corrosive conditions

Mechanical properties of DSS 2205 nut


Grade % Elongation YS (MPa) Hardness(BHN) UTS (MPa)
S31803 25 min. 450 min. 293 max. 620 min.
WNR 1.4462 screws manufacturer in India, view chemical composition and mechanical properties

Equivalent grade of duplex 2205 stud bolt


STANDARD WERKSTOFF NR. UNS
Duplex 1.4462 S31803 / S32205

Size chart of DSS 2205 hex nut


Nut Size
(mm)
Diameter*
(mm)
Height
(mm)
Hex Nut Jam Nut Nylock Nut
2.5 5 2 1.6 -
2 4 1.6 1.2 -
5 8 4 2.7 5
7 11 5.5 3.5 -
6 10 5 3.2 6
8 13 6.5 4 8
3 5.5 2.4 1.8 4
12 19 10 6 12
4 7 3.2 2.2 5
16 24 13 8 16
10 17 8 5 10
18 27 15 9 18.5
20 30 16 10 20
14 22 11 7 14

Torque chart of UNS S31803 bolt


Threads (inch) Nominal diameter (inch) Torque ft-lb (dry) Torque ft-lb (lubricated)
20 1/4 inch 6.5 4.8
18 5/16 inch 13.2 10.0
24 14.7 11.0
16 3/8 inch 23.5 17.7
13 1/2 inch 57.4 43.0
16 7/16 inch 37.6 28.2
24 26.6 19.9
28 7.4 5.5
20 64.7 48.5
12 9/16 inch 82.7 62.1
24 42.0 31.5
11 5/8 inch 114.2 85.7
18 92.3 69.2
6 1-1/2 inch 1484 639
10 3/4 inch 203 152
16 226 170
18 129.3 97.0
14 361 270
7 1-1/4 inch 853 639
9 7/8 inch 326 245
8 1 inch 490 368
14 549 412
12 1669 1252
12 944 708

Applications of DIN 1.4462 washers


  • Petrochemicals
  • Power generation
  • Aircraft exhaust
  • Off-shore oil drilling industry
  • Power generation
  • Sea water equipment
  • Pharmaceuticals

Size chart of duplex 2205 fasteners


Size(") USS SAE
ID(")
OD(")
Thickness(")
ID(")
OD(")
Thickness(")
1 1-1/16 2-1/2 0.165 1-1/16 2 0.134
1/2 9/16 1-3/8 0.109 17/32 1-1/16 0.095
1/4 5/16 0.734 0.065 9/32 5/8 0.065
#2       3/32 1/4 0.020
3/4 13/16 2 0.148 13/16 1-15/32 0.134
3/8 7/16 1 0.083 13/32 13/16 0.065
#4       1/8 5/16 0.032
5/8 11/16 1-3/4 0.134 21/32 1-5/16 0.095
5/16 3/8 7/8 0.083 11/32 11/16 0.065
#6       5/32 3/8 0.049
7/8 15/16 2-1/4 0.165 15/16 1-3/4 0.134
7/16 1/2 1-1/4 0.083 15/32 15/16 0.065
#8       3/16 7/16 0.049
9/16 5/8 1-15/32 0.109 19/32 1-5/32 0.095
#10       7/32 1/2 0.049
#12       1/4 9/16 0.065